National Stock Number
5920-01-660-9921
National Stock Number (NSN) 5920-01-660-9921, or NIIN 016609921, (fuse,indicator alarm) was assigned February 13, 2017 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 14, 2017, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 00250. [A FUSE IN WHICH THE ELEMENT MAY OR MAY NOT BE ENCLOSED. IT IS SPECIFICALLY DESIGNED TO CLOSE AN AUXILIARY CIRCUIT. WHEN THE FUSE ELEMENT IS BROKEN, IT MAY PROVIDE A VISUAL SIGNAL.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5920016609921 does not contain precious metals.
This NSN is associated to Schedule B 8536100040: fuses, except glass cartridge, for a voltage not exceeding 1,000 v. The Schedule B End Use is listed as electric apparatus. NAICS classification category 335313: switchgear and switchboard apparatus manufacturing.
This information was last updated on Jul 01, 2025.